Exercise cycle



FIG. 1 is an isometric view of an exercise cycle showing our new design;

FIG. 2 is a second isometric view thereof;

FIG. 3 is a first side elevation view thereof;

FIG. 4 is a second side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of portions of the exercise cycle forms no part of the claim. 

CLAIM The ornamental design of an exercise cycle, as shown and described. 